23 lines
586 B
Rust
23 lines
586 B
Rust
use std::num::NonZeroU8;
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use crate::Error;
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pub fn validate(s: &str) -> Result<NonZeroU8, Error> {
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let colon_idx = NonZeroU8::new(s.find(':').ok_or(Error::MissingDelimiter)? as u8)
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.ok_or(Error::InvalidKeyAlgorithm)?;
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validate_version(&s[colon_idx.get() as usize + 1..])?;
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Ok(colon_idx)
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}
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fn validate_version(version: &str) -> Result<(), Error> {
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if version.is_empty() {
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return Err(Error::EmptyRoomVersionId);
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} else if !version.chars().all(|c| c.is_alphanumeric() || c == '_') {
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return Err(Error::InvalidCharacters);
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}
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Ok(())
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}
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